XR16L2750_05 Datasheet, PDF (45/48 Pages) Exar Corporation – 2.25V TO 5.5V DUART WITH 64-BYTE FIFO

xr
REV. 1.2.1
XR16L2750
2.25V TO 5.5V DUART WITH 64-BYTE FIFO
PACKAGE DIMENSIONS (44 PIN PLCC)
44 LEAD PLASTIC LEADED CHIP CARRIER
(PLCC)
Rev. 1.00
D
C
Seating Plane
D1
45° x H₂
45° x H₁
A₂
2 1 44
B₁
D D₁
D₃
D₃
B _D2
A₁
A
e
R
Note: The control dimension is the millimeter column
INCHES
MILLIMETERS
SYMBOL MIN
MAX
MIN
MAX
A
0.165
0.180
4.19
4.57
A₁
0.090
0.120
2.29
3.05
A₂
0.020
---
0.51
---
B
0.013
0.021
0.33
0.53
B₁
0.026
0.032
0.66
0.81
C
0.008
0.013
0.19
0.32
D
0.685
0.695
17.40
17.65
D₁
0.650
0.656
16.51
16.66
D₂
0.590
0.630
14.99
16.00
D₃
0.500 typ.
12.70 typ.
e
0.050 BSC
1.27 BSC
H₁
0.042
0.056
1.07
1.42
H₂
0.042
0.048
1.07
1.22
R
0.025
0.045
0.64
1.14
45